Pop-up tackling practice machine



FIG. 1 is a top, perspective view of a pop-up tackling practice machine showing my new design;

FIG. 2 shows a bottom perspective view thereof.

FIG. 3 shows a front view thereof.

FIG. 4 shows a rear view thereof.

FIG. 5 shows a right side view thereof; and,

FIG. 6 shows a left side view thereof. 

The ornamental design for a pop-up tackling practice machine, as shown and described. 